128347088

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186551}}^1$

素因数の和:186602

約数の個数: 20

約数和(自身を含む): 254456928

約数和(自身を除く): 126109840

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186551, 373102, 746204, 1492408, 2984816, 8021693, 16043386, 32086772, 64173544, 128347088]

約数ペア:

[(1, 128347088), (2, 64173544), (4, 32086772), (8, 16043386), (16, 8021693), (43, 2984816), (86, 1492408), (172, 746204), (344, 373102), (688, 186551)]